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Finding the Fourth Proportional to 29,609.33, 40,863.21 and 16,863.05

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Solution

The fourth proportional to 29,609.33, 40,863.21 and 16,863.05 is: 23,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,609.33 : 40,863.21 = 16,863.05 : x
  2. Step 2: Convert to fraction form
    29,609.33/40,863.21 = 16,863.05/x
  3. Step 3: Cross multiply
    29,609.33x = 40,863.21 × 16,863.05
  4. Step 4: Simplify right side
    29,609.33x = 689,078,269.08
  5. Step 5: Solve for x
    x = 689,078,269.08/29,609.33
  6. Step 6: Final answer
    x = 23,272.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.